1. Set button, press normally-the SET light is on. Stop the temperature number flashing, you can set the stop temperature through the up and down buttons, long press to enter the internal setting menu 2. Turn on the key. Normally press it once and there is no change. Press and hold for 5 seconds to shut down the thermostat. When it is off, press it once to turn on the thermostat. In the internal settings, click OK to modify the value and return 3. Adjust the button up, press the SET button normally, and press the SET button again to set the stop temperature. Long press for 3 seconds to stop the temperature number flashing, and the up and down keys can directly set the stop temperature. In the internal settings, press once to increase a value and long press to increase the value quickly. 4. Press the button down, press normally-the SET light is on, press the set button again to set the hysteresis, long press for three seconds, the hysteresis number flashes, the up and down keys directly set the hysteresis, in the internal setting, press once to decrease the value by one digit , Long press to quickly decrease the value. Product Name: Digital Display Embedded Cabinet Thermostat Product model: XH-W2060 Temperature measurement range: -19~99 Control range: -19C-99 Temperature control accuracy: 1 Measurement input: NTC1OK waterproof probe L = 1 meter Refresh rate: 4 times per second Use environment: -30-60, humidity 20%-85% Input power: 12V Output type: Relay output maximum 10A Hole size: 71x29mm Other functions: power-off memory, state memory, temperature correction, delayed start colour: black + orange Material: ABS + metal Size: 77x62x34.5mm Package Contents: 1 x thermostat Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.